code: def __str__(self):
      qual = f"{self.qualifier} " if self.qualifier else ""
      step = " step" if self.step else ""
      return f"scalar:{qual}{self.key}{step}{self._as_suffix()}"
  
imports: from shlex import quote
label_desc: Use image node_id 2 for calling the Scalar obj's underlying member method code with example usage: obj.__str__() and returns: str, qual, self, step, self